body{
    background-color:#e5e5e5;
    margin: 0;
    /*设置 背景颜色 及其外边距*/
    height: 800px;
    display: flex;
    justify-content: center;
    /*align-items: center;*/
}

.text{
    width: 500px;
    background-color: #ffffff;
}


.input_text{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
.but{
    margin-left: 5px;
    height: 34px;
    width: 30%;
    border-radius: 5px;
    background-color: #2271b1;
    border:1px solid #2271b1;
    color: #ffffff;
}
.title_text{
    text-align: center;
    line-height: 50px;
    height: 50px;
    width: 100%;
    font-size: 20px;
}
.imga{
    width: 100%;
}

.ly1{
    font-size: 15px;
    color: #555555;
    margin-top: 10px;
    margin-left: 10px;
    word-wrap: break-word;
    border-bottom:1px solid #e5e5e5;
}

.divls{
    margin-top: 10px;
    overflow: auto;
    height: 430px;
}

.at{
    /*margin-top: 10px;*/
    width: 100%;
    text-align: center;
    font-size: 15px;
}


.input{
    height: 34px;
    width: 70%;
    border-radius: 5px;
    border:1px solid #e5e5e5;
    padding-left: 5px;
}